Search results

  1. A

    New system, Intel/AMD

    This is simply not true. It just loses less IPC, compared to Northwood, as clockspeed goes up because it has 1MB L2 cache vs only 512KB on the Northwood.
  2. A

    Intel to reunite notebook, desktop chip architectures, NEW chips to be based on the Pentium-M

    I'm not sure I buy that Merom is the same core as Banias, even with tweaks. It has also been suggested that Merom is a completely new core optimised for low power, but different from Nehalem which was the previous next gen core for Intel.
  3. A

    **GASP** Dell... Opteron... **OFFICIALLY CONFIRMED**

    They must be gearing up to sell AMD desktops as well...
  4. A

    New Nvidia Drivers for Windows XP 64-bit

    Link Anyone with a K8 willing to benchmark these?
  5. A

    First......but small A64 939 Benchmark

    Well that was pointless...
  6. A

    Got a Hyper-Threading P4 on the way.

    If you use FAT32 then boot into DOS and delete the Windows folder and the other folders windows uses. If you use NTFS then install your HD into another computer running WinXP and delete the same folders on your HD. Then install XP again. No need to reformat the entire HD...
  7. A

    Anatomy of 75GXP Failure w/Video

    mmmmm torture... I should have thought of that before I tossed my last 75GXP into the bin!
  8. A

    VX/TX chipset - any problems with memory amounts over 64 MB?

    I once expanded an old TX motherboard (with a K6 200) from 64MB to 128MB. I thought there would be a decrease in performance due to lack of cacheing of the upper 64MB but the result was quite the opposite. I figure the less swapping to the HD more than made up for the small loss in performance...
  9. A

    AMD 64 3200+ 1600 FSB?!

    I'm sorry Jeff but this is also wrong. Here is what the page actually says: Depending on the time of day and the weather etc, people refer to the HT links as system busses, FSB, PSB, etc. But they all mean the same thing. The HT link between the CPU and chipset. It doesn't mean it's the...
  10. A

    AMD 64 3200+ 1600 FSB?!

    5 different attempts to explain, none correct :) AMD themselves refer to the HT link as running at 800MHz, which is correct. But in reality it's running at 800MHz DDR (which you can make 1600MHz out of, but AMD decided not to for some reason). The HT link connects the CPU to the northbridge...
  11. A

    Intel Heads Towards 4MB Cache in Desktop Processors

    No I was using the upcoming Madison 9M which will have 9MB of L3 cache. It was just a joke anyway..
  12. A

    Intel Heads Towards 4MB Cache in Desktop Processors

    128KB on 250nm 256KB on 180nm 512KB on 130nm 1MB on 90nm 4MB on 65nm? Why are they breaking this nice trend they established through the years? :) BTW, they claim Merom will have 4MB of cache while the desktop brother is called Conroe. And they do not say if Conroe will also have a 4MB cache...
  13. A

    which PC processor can match Apple Mac G5 performence?

    People like your teacher exist everywhere, in all fields. It's usually futile to argue with them, so don't bother. Back to the original question. The G5 can come in dual systems yes, but you did not specify that. If you want a dual system on the x86 side you can pick from either Xeon, Athlon MP...
  14. A

    which PC processor can match Apple Mac G5 performence?

    A Pentium 4 at 2.8GHz is about as fast as a G5 at 2GHz. However with optimised code this can change up and down quite alot.
  15. A

    IBM to unveil Opteron workstation

    Yeah I know that. And my point was, although perhaps not easily understood, that you can't recompile applications when you don't have the source code for them. You need the application vendor to support the platform. And so far for IA64 there have been alot of promises but fewer results for...
  16. A

    IBM to unveil Opteron workstation

    The title of this thread is about workstations, not HPC applications.
  17. A

    Difference between Opteron 1xx series and Athlon 64 FXxx series

    No there are Opteron 148, 248 and 848 chips all running at 2.2GHz, same as the Athlon FX. And I do not believe you need ECC for Opteron. What you need for both Opteron and Athlon FX is registered RAM.
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    Difference between Opteron 1xx series and Athlon 64 FXxx series

    I think the fact shows that they DO! AMD was too quick to release the Athlon FX that they simply rebranded Opteron 2xx chips. Once they get to socket 939 this will end however, possibly even sooner if AMD feels the need for it.
  19. A

    Difference between Opteron 1xx series and Athlon 64 FXxx series

    Yet there have been sporadic reports of people being able to run the AFX in SMP systems.
  20. A

    Tom's reviews the Via KT880 Dual Channel chipset for sktA, is he pimping for Via too?

    And it takes a site better than Tom's to investigate what this is. Useless sites, useless reviews...
  21. A

    So like, if your memory sticks could handle any speed thrown at it, what is the maximum the bus of DDR-II could handle?

    No no, he is asking what if the DRAM core could run at an infinite speed, how fast could the DDR-II bus run. It's like asking how fast could the Athlon XP FSB run if the core was not the limit in overclocking. I don't know but roadmaps suggest that DDR-II will top out at 800MHz. Now whether this...
  22. A

    NV4x - The death blow to P4?

    Real-time encoding will hardly kill the P4 because those who buy a P4 to do encoding does it for FASTER than real-time. Even an Athlon XP can do real-time encoding (25-30fps) depending on the codec.
  23. A

    Dial-A-Rate MEMORY

    MadRat, do you really think you are smarter than the hundreds of engineers working for the DRAM companies? You seem to have problems grasping even the most fundamental issues of most things you are talking about. IMHO you should take a more humble approach to technology and stop pretending you...
  24. A

    Dial-A-Rate MEMORY

    What is it about this that is so hard to understand? The reason they introduced DDR to replace SDR was because SDR could not be clocked higher and still be manufactured with acceptable yeilds. The memory manufacturers operate on razorthin margins because the DRAM memory is a commodity. Faster...
  25. A

    Dial-A-Rate MEMORY

    SDR has CAS latency of 2-3 cycles at 133MHz DDR has CAS latency of 2, 2.5 or 3 cycles at 133-200MHz DDR-II has a CAS latency of 4, 5 or 6 cycles at 200-333MHz (-400MHz??) 4 cycles latency at 266MHz is the same amount of time in nanoseconds as 2 cycles latency at 133MHz. EDIT: Fixed a typo in...
  26. A

    Dial-A-Rate MEMORY

    No it does not. The latency should be pretty simular since they run about the same speed at the core. There is no such thing as SDR running at 533MHz. It cannot run that fast, that is why they went to DDR and now DDR-II. It's like saying Intel should never have bothered with the P4 and clocked...
  27. A

    Spammer alert

    The user cipcipcip is spamming General Forum with pyramid game scams. He's posting in every thread he can reach.
  28. A

    Intel's gamble on high-speed computer chip [Itanium] not paying off

    ^^^^What the hell? EDIT: SPAM was removed
  29. A

    Intel's gamble on high-speed computer chip [Itanium] not paying off

    It's just that Itanium is HPs replacement CPU for their Superdome systems (up to 64 CPUs) running HPs version of UNIX, HP-UX. If Itanium fails, then HP will go under eventually as they stopped their own CPU development some time ago. But this is just unlikely. So at least Intel will have a...
  30. A

    CPU L2 Cache ECC Checking: AMD Duron Support?

    Yes, CPUs have implemented ECC in their caches for at least a decade. It is enabled by default. I don't think your Duron will be helped by ECC though.
  31. A

    $olid $tate hard drives comming?

    Personally I'd buy a 2GB solid state HD if it sold for under $300 or so. I would install XP and the mostly played game on it and use my regular PATA or SATA for archive and other stuff. Although 5GB would be the preferred size, they would become useful already at 2GB.
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    Intel Exec Sees 64-Bit Irrelevant for Home PCs Now

    I would agree with him if it weren't for the performance enhancing features of x86-64. At worst it will perform the same as 32-bit. At best it will perform a speedgrade or two better. So if 64-bit is not needed why is SSE1/2/3 needed? The x87 FPU can perform all the things SSE can do, just doing...
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    Why did JEDEC pick an 83MHZ format for initial DDR-II?

    Link? This is the first time I have seen anyone mention DDR2 at 83MHz speeds.
  34. A

    x87 beyond 80-bit precision in AMD64?

    A number of wrong premises in the original post here. 1) There is no x87 supported in AMD64 64-bit mode. It uses SSE2 instead, or more specific, scalar SSE2. 2) x87 supports up to 80-bit precision. The other supported are 32-bit and 64-bit. 3) Altivec only support 32-bit precision. The...
  35. A

    anandtech Prescott review NOW UP! (anand inside)

    Anand failed to mention that this improvement in performance scaling is primarily from the increased L2 cache. In fact all other improvements in the core probably just turns up as noise in the scaling benchmarks compared with the bigger L2 cache. A Northwood with 1MB L2 would blow away Prescott...
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    anandtech Prescott review NOW UP! (anand inside)

    Intel should have had a backup plan with a Northwood/1MB on the 90nm node. Or perhaps do a 3 level cache design. 8/256/1M or something. It would have been smaller, cooler and faster (at least for now)
  37. A

    Athlon64 1066MHz HyperTransport?

    Well only one will be used. I'm not sure how many HT links socket 939 will have, but considering it's their desktop socket it might only have 1. But basically the speed of the HT links has hardly any influence on the performance of the system. For example look at the difference between the...
  38. A

    Athlon64 1066MHz HyperTransport?

    Talk about being confused ;) First the K8 has 3 HT links (Socket 754 has only 1). Each link is bi-directional, 16 bit wide and runs at 800MHz DDR (1600MHz effective). This gives it a bandwidth of 3.2GB/s in each direction for the combined 6.4GB/s.
  39. A

    Athlon64 1066MHz HyperTransport?

    I believe it is 1000MHz (5*200) HT planned for Socket 939 later this year. Probably to ensure that PCI-Express 16x has all the bandwidth it needs.
  40. A

    Whats up with Athlon 64s and FX`s?

    I think we can say for certain that AMD will switch all A64's over to Socket 939. The question is just how long the transition period will be. They might keep both sockets alive all through this year. Or they cut short socket 754 after the now imminent 3400+ release. I guess it depends how...
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